QA output created by 215
/xfstests-dev/tests/btrfs/215: line 52: [: /sys/fs/btrfs/: binary operator expected
/xfstests-dev/tests/btrfs/215: line 70: /sys/fs/btrfs/$uuid/bdi/read_ahead_kb: ambiguous redirect
Errors: 5 expected: 2
(see /xfstests-dev/results//kdave/btrfs/215.full for details)